Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David L. Herman — 11 Patents

CECem: 11 patents #9 of 51Top 20%
Charlotte, NC: #377 of 4,868 inventorsTop 8%
North Carolina: #4,777 of 45,564 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
David L. Herman has been granted 11 US patents while listed as an inventor at Cem. The first was granted in 2011 and the most recent in January 2020. David L. Herman ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David L. Herman in Charlotte, NC, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10527530 Pressure stepped microwave assisted digestion David A. Barclay, Joseph J. Lambert, William Edward Jennings 2020-01-07
10421775 Control apparatus for dispensing small precise amounts of liquid reagents Joseph J. Lambert 2019-09-24
10067043 Pressure stepped microwave assisted digestion David A. Barclay, Joseph J. Lambert, William Edward Jennings 2018-09-04
9943823 Pressure stepped microwave assisted digestion David A. Barclay, Joseph J. Lambert, William Edward Jennings 2018-04-17
9522380 Control apparatus for dispensing small precise amounts of liquid reagents Joseph J. Lambert 2016-12-20
9237608 Pressure stepped microwave assisted digestion David A. Barclay, Joseph J. Lambert, William Edward Jennings 2016-01-12
9091632 Automated protein analyzer Michael J. Collins, Joseph J. Lambert, Timothy A. Zawatsky 2015-07-28
8852948 Colorimetric protein analysis method Michael J. Collins, Joseph J. Lambert, Timothy A. Zawatsky 2014-10-07
8663993 Automated protein analyzer Michael J. Collins, Joseph J. Lambert, Timothy A. Zawatsky 2014-03-04
8147759 Automated protein analyzer Michael J. Collins, Joseph J. Lambert, Timothy A. Zawatsky 2012-04-03
7968344 Automated protein analyzer Michael J. Collins, Joseph J. Lambert, Timothy A. Zawatsky 2011-06-28